二維花樣光柵
由電腦繪畫的幾何程式產生的二維花樣光柵,可以觀察出更複雜的衍射後果,折射效果。 可以利用單光源或電池的激光棒射向這些二維花樣光柵觀察。
Item no : JHL 620
2-DIMENSIONAL
Gratings
It is different from the common 1-dimensional grating (i.e black & white
line engraved on an glass slide), 2-dimensional grating slides mounted constructed
from fancy computer geometrical patterns using lithographic film; ideal for
the study of the interference and diffraction of light from a point light source
through direct observation or as a model of Ladue's crystal diffraction. It
can be observable by simple white light or laser pointer. A set of 8 different
slides
Item no : JHL 620